211.236.84.0/24

AS45999 · Korea Transportation Safety Authority

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Summary

Country	South Korea
Domain	kt.com
ASN	AS45999
Parent Range	211.236.64.0/18
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        211.236.64.0 - 211.236.127.255
netname:        KORNET-KR
descr:          Korea Telecom
country:        KR
admin-c:        IA9-KR
tech-c:         IM9-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC


person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 211.236.84.0/24

Range	ASN	Company	Num of IPs
211.236.64.0/18	AS45400	Korea Telecom	16,384
211.236.64.0/18	AS45999	Korea Telecom	16,384
211.236.64.0/18	AS4766	Korea Telecom	16,384

Nearby Ranges

BGP prefixes that overlap with 211.236.0.0/16

Range	ASN	Company	Num of IPs
211.236.64.0/18	AS45999	Korea Telecom	16,384
211.236.64.0/18	AS4766	Korea Telecom	16,384
211.236.64.0/18	AS45400	Korea Telecom	16,384
211.236.224.0/19	AS131866	SEJONG NETWORKS	8,192
211.236.192.0/19	AS18313	LG HelloVision Corp.	8,192
211.236.224.0/19	AS9848	SEJONG NETWORKS	8,192
211.236.128.0/19	AS18313	LG HelloVision Corp.	8,192
211.236.168.0/21	AS38661	abcle	2,048
211.236.184.0/21	AS38661	abcle	2,048
211.236.236.0/22	AS9848	dewsystem	1,024
211.236.236.0/22	AS131866	dewsystem	1,024
211.236.160.0/22	AS38661	abcle	1,024
211.236.180.0/22	AS38661	abcle	1,024
211.236.241.0/24	AS131866	Sysone	256
211.236.242.0/24	AS131866	Sysone	256
211.236.240.0/24	AS131866	Sysone	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
211.236.84.165	ecar.go.kr	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

41 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
211.236.84.147	AS45999 Korea Transportation Safety Authority	`9.05ms` from Seoul, KR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
129.174.64.88	AS11279 George Mason University	`1.86ms` from Ashburn, US
40.90.248.232	AS8075 Microsoft Corporation	`0.44ms` from Ashburn, US
75.183.180.232	AS11426 Charter Communications Inc	`5.99ms` from Charlotte, US
18.224.158.200	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
87.123.85.120	AS8881 1&1 Versatel GmbH	`4.88ms` from Duesseldorf, DE
2.122.120.56	AS5607 Sky UK Limited	`13.14ms` from London, GB
90.173.247.200	AS12479 Orange Espagne SA	`1.57ms` from Madrid, ES
87.26.151.216	AS3269 Telecom Italia S.p.A.	`5.32ms` from Milan, IT
138.73.80.184	AS611 NB-PEI Educational Computer Network	`15.57ms` from Montreal, CA
60.109.55.136	AS17676 SoftBank Corp.	`3.67ms` from Osaka, JP
116.231.135.168	AS4812 China Telecom (Group)	`3.00ms` from Shanghai, CN
87.147.74.72	AS3320 Deutsche Telekom AG	`3.94ms` from Zuerich, CH
145.24.161.200	AS1103 SURF B.V.	`2.78ms` from Amsterdam, NL
78.97.42.8	AS12302 Vodafone Romania S.A.	`7.63ms` from Bucharest, RO
171.251.105.248	AS7552 Viettel Group	`15.95ms` from Ho Chi Minh City, VN
202.82.191.120	AS4515 PCCW IMS Ltd (PCCW Business Internet Access)	`1.24ms` from Hong Kong, HK
78.185.248.104	AS9121 Turk Telekomunikasyon Anonim Sirketi	`6.28ms` from Izmir, TR
5.65.174.136	AS5607 Sky UK Limited	`6.52ms` from London, GB
121.185.12.232	AS4766 Korea Telecom	`4.40ms` from Seoul, KR
103.119.150.168	AS137991 Lifeway Singapore Pte. Ltd.	`0.67ms` from Singapore, SG
15.235.200.200	AS16276 OVH SAS	`0.26ms` from Singapore, SG
59.125.128.88	AS3462 Data Communication Business Group	`3.48ms` from Taichung, TW
86.88.50.56	AS1136 KPN B.V.	`2.57ms` from Amsterdam, NL
69.128.211.72	AS4181 TDS TELECOM	`4.99ms` from Chicago, US
206.0.94.40	AS268207 RVT SERVICOS DE TELECOMUNICACOES LTDA	`4.66ms` from Curitiba, BR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 211.236.84.136

traceroute to 211.236.84.136 (211.236.84.136): 64 hops max, 52 byte packets

1 [AS15169] 108.170.241.37 38.448 ms

2 [AS15169] 142.251.199.60 0.926 ms

3 *

4 *

5 [AS4766] 112.174.76.10 1.669 ms

6 [AS4766] 128.134.40.226 8.078 ms

7 *

8 *

9 *

10 *

11 [AS23575] 125.61.48.146 6.68 ms

12 *

13 [AS45999] 211.236.84.136 10.806 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On February 7th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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